java DataOutputStream getOutputStream()getInputStream() [英] java DataOutputStream getOutputStream() getInputStream()
本文介绍了java DataOutputStream getOutputStream()getInputStream()的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
一个问题
例如
DataOutputStream output= new DataOutputStream(clientSocket.getOutputStream()) ;
或
DataInputStream in = new DataInputStream(clientSocket.getInputStream());
每次我需要I / O操作或仅调用read或每次我需要在它们上写一个??? (加上每次操作后的一些刷新)
must these objects to be created each time i need an I/O operation or just invoke a read or a write on them each time i need??? ( plus some flushing after each operaration)
推荐答案
您只能创建一次这些对象,也就是在初始化套接字之后
You must create these objects only once, that is, after your socket has been initialized.
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